Helical has selected Mace to serve as the principal contractor on the redevelopment of a City of London office at 100 New Bridge Street.

Located next to City Thameslink station with views overlooking St. Paul's Cathedral and St Bride's Church, the 1990s office building will be renovated to create 194,000 sqft of modern Grade A office space, 3,592 sqft of retail spaces and a 4,000 sqft terrace providing views across central London.

Circularity is central to the redevelopment, as the original structure will be preserved, aiming for a remarkable 95 per cent reuse, recovery and recycling of construction waste. The project will maintain 91 per cent of the reinforced concrete lift cores and 85 per cent of the reinforced concrete walls

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Aiming for BREEAM Outstanding and Well Platinum certification, this project is set to achieve net-zero carbon emissions throughout both its construction and operational phases. The redevelopment is part of a joint venture with a vehicle led by Orion Capital Managers.

As one of seven current construction projects within the Fleet Street Area, 100 New Bridge Street is the latest in a series of modern, best-in-class sustainable offices in this location, formerly synonymous with the printing and publishing industry.

Ged Simmonds, Managing Director of Private Sector at Mace, said: "We are pleased to be partnering with Helical once again on another highly sustainable best-in-class office space at the heart of the City of London. Not only will this development be net zero carbon in construction and operation, but by retaining the existing structure and reusing existing materials, this scheme is leading the way in circularity."

Gerald Kaye, CEO of Helical plc, commented: "We are delighted to be working with Mace to redevelop 100 New Bridge Street to create a best-in-class, carbon friendly office in a prime location in the City of London. This development will help meet the growing demand we are seeing for prime office spaces with the highest sustainability credentials."

Construction has already commenced and is due to complete in Q1 2026.